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In recent years ADAS and AD testing has grown faster than any could have predicted. Many companies who previously didn’t see safety or autonomy in their business model or vehicle brand are now looking at incorporating some level of ADAS into their products and portfolio.

For the first time, Euro NCAP’s 2020 Automatic Emergency Braking (AEB) test protocol allows for the possibility of evassive steering to avoid a collision. Emergency Steering Support (ESS) systems assist the driver’s steering input, altering the vehicle path to potentially avoid a collision.

Path following, a technology first developed by AB Dynamics in 2001, is now well known and in use globally for tests such as the ISO lane change and a raft of ADAS standards. What may be less widely understood is how it can help with many other tests which are not defined in terms of a trajectory to follow. Here we will look at the path following lead-in and how it can help with testing in constrained spaces.

Automotive powertrain systems are inherent generators of tonal noise. Whenever gears, sprockets/chains, fluids or electricity are used to transmit power, some degree of tonal noise is inevitable. If such tonal noise stands-out above the general level of background noise in a vehicle, it is considered by many to be annoying.